S5 52 arch/sparc/net/bpf_jit_comp_64.c #define S5(X) ((X) & 0x1f) S5 235 arch/x86/crypto/serpent-sse2-i586-asm_32.S #define S5(x0, x1, x2, x3, x4) \ S5 119 crypto/serpent_generic.c #define S5(x0, x1, x2, x3, x4) ({ \